Final answer:
The first artwork is an example of the Brush and Ink technique, using bamboo brushes and ink made from charred wood. The second artwork is an example of a Photography technique, that uses a camera to capture the image.
Step-by-step explanation:
The first artwork, a black and white painting of bamboo branches and leaves with Chinese characters, is an example of the Brush and Ink technique. In this technique, artists use bamboo brushes and ink made from charred wood to create the artwork. The second artwork, featuring two men wearing black suits and top hats, is an example of Photography technique. In photography, the medium used is a camera that captures images.